Update from https://crrev.com/304418

cc/resources/resource_provider_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/resources/resource_provider.h"
 
 #include <algorithm>
 #include <map>
 #include <set>
 
@@ skipping 85 matching lines @@
   MOCK_METHOD3(texParameteri, void(GLenum target, GLenum pname, GLint param));
   MOCK_METHOD1(waitSyncPoint, void(GLuint sync_point));
   MOCK_METHOD0(insertSyncPoint, GLuint(void));
   MOCK_METHOD2(produceTextureCHROMIUM,
                void(GLenum target, const GLbyte* mailbox));
   MOCK_METHOD2(consumeTextureCHROMIUM,
                void(GLenum target, const GLbyte* mailbox));
 
   // Force all textures to be consecutive numbers starting at "1",
   // so we easily can test for them.
-  virtual GLuint NextTextureId() override {
+  GLuint NextTextureId() override {
     base::AutoLock lock(namespace_->lock);
     return namespace_->next_texture_id++;
   }
-  virtual void RetireTextureId(GLuint) override {}
+  void RetireTextureId(GLuint) override {}
 };
 
 // Shared data between multiple ResourceProviderContext. This contains mailbox
 // contents as well as information about sync points.
 class ContextSharedData {
  public:
   static scoped_ptr<ContextSharedData> Create() {
     return make_scoped_ptr(new ContextSharedData());
   }
 
@@ skipping 3518 matching lines @@
     resource_provider->AllocateForTesting(id);
     Mock::VerifyAndClearExpectations(context);
 
     DCHECK_EQ(10u, context->PeekTextureId());
     resource_provider->DeleteResource(id);
   }
 }
 
 }  // namespace
 }  // namespace cc